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Panasonic U-20ME2E8 User Manual

Panasonic U-20ME2E8
207 pages
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85464849353000
REFERENCE NO.SM830253-00
Outdoor Unit
Model No.
SERVICE MANUAL & TEST RUN SERVICE MANUAL
Order No. SBPAC1607005CE
SM830214-042WAYSYSTEM.indb1 2014/08/2617:18:12
SM830244-01_2WAY_7-Series.indb 1 15/12/22 10:16:52
8 HP 10 HP 16 HP12 HP 14 HP
Rated Capacity
ME2
Type Outdoor Unit Type
2WAY System U-8ME2E8 U-10ME2E8 U-12ME2E8 U-14ME2E8
U-16ME2E8
18 HP
U-18ME2E8
20 HP
U-20ME2E8
SM830253-00_欧州2way7_SM-TRSM.indb 1 16/08/02 13:44:06

Table of Contents

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Panasonic U-20ME2E8 Specifications

General IconGeneral
BrandPanasonic
ModelU-20ME2E8
CategoryAir Conditioner
LanguageEnglish

Summary

CONTROL FUNCTIONS - Outdoor Unit

Compressor Control

Manages compressor operation based on load, temperature, and priority.

Outdoor Unit Fan Control

Adjusts fan speed based on operating conditions, load, and noise reduction settings.

Backup Operation

Enables system operation with reduced capacity during unit failures or maintenance.

Detailed Settings in EEPROM of Outdoor Unit

Configures various operational parameters stored in the outdoor unit's EEPROM.

CONTROL FUNCTIONS - Indoor Unit

Room Temperature Control

Manages heating/cooling based on detected room temperature and set points.

Automatic Fan Speed Control

Adjusts indoor fan speed automatically based on cooling or heating conditions.

Parameter

Stores factory default and user-configurable settings for indoor unit functions.

OUTDOOR UNIT REPAIR PROCEDURES

Discharging Compressor Oil

Procedure for safely draining compressor oil for inspection or replacement.

Recovering Refrigerant

Safe procedure to pump down and recover refrigerant from the system.

Checking for Leakage After Repair

Steps to ensure system integrity and detect refrigerant leaks after repair.

Compressor

Details on compressor removal, installation, and replacement procedures.

OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER

Functions

Outlines the capabilities of the outdoor unit maintenance remote controller.

Monitoring Operations

Displays real-time sensor data for indoor and outdoor units.

Outdoor Unit Alarm History Monitor

Accesses and displays recorded alarm events for troubleshooting.

REMOTE CONTROLLER FUNCTIONS

Simple Settings Function

Allows basic configuration of filter, mode priority, and addresses via remote controller.

Detailed Settings Function

Provides advanced configuration options for system parameters via remote controller.

Remote Controller Servicing Functions

Accesses diagnostic, test run, and setting modes on the remote controller.

TROUBLE DIAGNOSIS

2WAY Alarm Codes

Comprehensive list of error codes, meanings, and potential causes for system faults.

Inspection and Characteristics of Parts

Details on how to test and check various components' specifications.

Test Pin

Explains the use of test pins on the control PCB for individual component operation testing.

TEST RUN

Test Run Procedure

Step-by-step guide for performing operational checks after installation or repair.

Auto Address Setting

Procedure for automatically configuring system addresses for indoor and outdoor units.

Self-Diagnosis Function Table and Contents of Alarm Display

Maps alarm codes to their causes and corrective actions.

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